Grey's Anatomy: 4x02 - Love/Addiction

• Mama Burke comes to SGH, Cristina hides from her, so she gives everyone else advice until she finally tells Cristina that Burke isn't coming back
• Lexie hovers around Meredith; Meredith is mean to Lexie because Thatcher chose her over Meredith
  
• George tries to tell Callie about him and Izzie, but Callie begs him to wait until tomorrow
  
• Victims are brought to the hospital after an meth lab explosion
  
• Alex, who now has sexy facial hair, takes care of a meth baby and gets punched in the face by a drug dealer and hit in the arm by Bailey for being stupid
  
• Meredith and McDreamy are having just a Sex and Mockery relationship